/*
 * Copyright [2013-2021], Alibaba Group Holding Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.alibaba.polardbx.druid.bvt.sql.mysql.select;

import com.alibaba.polardbx.druid.sql.MysqlTest;
import com.alibaba.polardbx.druid.sql.SQLUtils;
import com.alibaba.polardbx.druid.sql.ast.SQLStatement;
import com.alibaba.polardbx.druid.sql.ast.statement.SQLSelectStatement;
import com.alibaba.polardbx.druid.util.JdbcConstants;

import java.util.List;

public class MySqlSelectTest_180_extract extends MysqlTest {

    public void test_0() throws Exception {
        String sql = "SELECT extract(day_of_week FROM '2001-08-22 03:04:05.321');";

        List<SQLStatement> statementList = SQLUtils.parseStatements(sql, JdbcConstants.MYSQL);
        SQLSelectStatement stmt = (SQLSelectStatement)statementList.get(0);

        assertEquals(1, statementList.size());

        assertEquals("SELECT EXTRACT(DAY_OF_WEEK FROM '2001-08-22 03:04:05.321');", stmt.toString());
    }

    public void test_1() throws Exception {
        String sql = "SELECT extract(dow FROM '2001-08-22 03:04:05.321');";

        List<SQLStatement> statementList = SQLUtils.parseStatements(sql, JdbcConstants.MYSQL);
        SQLSelectStatement stmt = (SQLSelectStatement)statementList.get(0);

        assertEquals(1, statementList.size());

        assertEquals("SELECT EXTRACT(DOW FROM '2001-08-22 03:04:05.321');", stmt.toString());
    }

    public void test_2() throws Exception {
        String sql = "SELECT extract(day_of_month FROM '2001-08-22 03:04:05.321');";

        List<SQLStatement> statementList = SQLUtils.parseStatements(sql, JdbcConstants.MYSQL);
        SQLSelectStatement stmt = (SQLSelectStatement)statementList.get(0);

        assertEquals(1, statementList.size());

        assertEquals("SELECT EXTRACT(DAY_OF_MONTH FROM '2001-08-22 03:04:05.321');", stmt.toString());
    }

    public void test_3() throws Exception {
        String sql = "SELECT extract(day_of_year FROM '2001-08-22 03:04:05.321');";

        List<SQLStatement> statementList = SQLUtils.parseStatements(sql, JdbcConstants.MYSQL);
        SQLSelectStatement stmt = (SQLSelectStatement)statementList.get(0);

        assertEquals(1, statementList.size());

        assertEquals("SELECT EXTRACT(DAY_OF_YEAR FROM '2001-08-22 03:04:05.321');", stmt.toString());
    }

    public void test_4() throws Exception {
        String sql = "SELECT extract(year_of_week FROM '2001-08-22 03:04:05.321');";

        List<SQLStatement> statementList = SQLUtils.parseStatements(sql, JdbcConstants.MYSQL);
        SQLSelectStatement stmt = (SQLSelectStatement)statementList.get(0);

        assertEquals(1, statementList.size());

        assertEquals("SELECT EXTRACT(YEAR_OF_WEEK FROM '2001-08-22 03:04:05.321');", stmt.toString());
    }

    public void test_5() throws Exception {
        String sql = "SELECT extract(doy FROM '2001-08-22 03:04:05.321');";

        List<SQLStatement> statementList = SQLUtils.parseStatements(sql, JdbcConstants.MYSQL);
        SQLSelectStatement stmt = (SQLSelectStatement)statementList.get(0);

        assertEquals(1, statementList.size());

        assertEquals("SELECT EXTRACT(DOY FROM '2001-08-22 03:04:05.321');", stmt.toString());
    }

    public void test_6() throws Exception {
        String sql = "SELECT extract(yow FROM '2001-08-22 03:04:05.321');";

        List<SQLStatement> statementList = SQLUtils.parseStatements(sql, JdbcConstants.MYSQL);
        SQLSelectStatement stmt = (SQLSelectStatement)statementList.get(0);

        assertEquals(1, statementList.size());

        assertEquals("SELECT EXTRACT(YOW FROM '2001-08-22 03:04:05.321');", stmt.toString());
    }
}